BAST FIBRES OF DICOTYLEDONOUS PLANTS. ----------------------+---------------+------------+------------+--------------+-------------+------------ | | Urtica | Crotolaria | | Linum | Corchorus | Boehmeria |heterophylla| juncea | Hibiscus |usitatissimum| capsularis | Puya. | (Nilgherry | (Sunn). | strictus. | (Flax). | (Jute). | | Nettle). | | | | ----------------------+---------------+------------+------------+--------------+-------------+------------ 1. Yield of cellulose | 83·8 | 95·0 | 76·9 | 63·0 | 82·0 | 75·0 by chlorine method | | | | | | | | | | | | 2. Character of |Fibres |Fibres free.|Fibres free.| Fibres |Fibres free. |Fibres free. isolated cellulose |partially | | | partially | | |agglutinated. | | | agglutinated.| | | | | | | | 3. Loss in boiling 1 | 15·6 | 2·6 | 5·3 | 13·7 | 7·8 | 17·2 per cent. caustic | | | | | | soda (5 minutes) | | | | | | | | | | | | 4. Ditto (60 minutes) | 24·1 | 7·3 | 10·7 | 25·5 | 16·6 | 18·6 | | | | | | 5. Ash | 3·7 | 1·0 | 0·9 | 2·0 | 1·7 | 1·1 | | | | | | 6. Elementary C. | 41·8 | 42·9 | .. | .. | 43·7 | 47·1 composition H. | 6·0 | 5·9 | .. | .. | 5·9 | 5·9 | | | | | | 7. Lignified or | Not | Not | Lignified. | Lignified. | Not |Lignified. otherwise. Aniline | lignified. | lignified. | | | lignified. | sulphate reaction | | | | | | ----------------------+---------------+------------+------------+--------------+-------------+------------